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Accumulated Other Comprehensive Income (Loss) - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Accumulated other comprehensive income (loss), net of income tax effect [Rollforward]      
Stockholders' equity, beginning of period $ 6,882.0    
Other comprehensive income (loss):      
Other comprehensive income (loss) 1,130.0 $ (1,083.7) $ 364.3
Stockholders' equity, end of period 8,082.4 6,882.0  
Accumulated Other Comprehensive Income (Loss)      
Accumulated other comprehensive income (loss), net of income tax effect [Rollforward]      
Stockholders' equity, beginning of period (662.7)    
Other comprehensive income (loss):      
Other comprehensive income (loss) before reclassification adjustments 1,158.8    
Amounts reclassified from accumulated other comprehensive income (loss) (72.9)    
Other comprehensive income (loss) 1,085.9 (1,039.5) 348.3
Stockholders' equity, end of period 423.2 (662.7)  
Accumulated Other Comprehensive Income (Loss) | Share of OCI of equity method investments:      
Accumulated other comprehensive income (loss), net of income tax effect [Rollforward]      
Stockholders' equity, beginning of period (0.3)    
Other comprehensive income (loss):      
Other comprehensive income (loss) before reclassification adjustments 0.0 0.0  
Amounts reclassified from accumulated other comprehensive income (loss) (0.2) (10.6)  
Other comprehensive income (loss) (0.2) (10.6)  
Stockholders' equity, end of period (0.5) (0.3)  
Foreign currency translation adjustments:      
Accumulated other comprehensive income (loss), net of income tax effect [Rollforward]      
Stockholders' equity, beginning of period (683.8)    
Other comprehensive income (loss):      
Other comprehensive income (loss) before reclassification adjustments 827.6 (786.7) 279.3
Amounts reclassified from accumulated other comprehensive income (loss) 0.0 0.0 0.0
Other comprehensive income (loss) 827.6 (786.7) 279.3
Stockholders' equity, end of period 143.8 (683.8)  
Unrealized Net Gain (Loss) on Derivative Instruments      
Accumulated other comprehensive income (loss), net of income tax effect [Rollforward]      
Stockholders' equity, beginning of period 21.8    
Other comprehensive income (loss):      
Other comprehensive income (loss) before reclassification adjustments 336.3    
Amounts reclassified from accumulated other comprehensive income (loss) (72.7)    
Other comprehensive income (loss) 263.6    
Stockholders' equity, end of period 285.4 21.8  
Pension/postretirement adjustments:      
Accumulated other comprehensive income (loss), net of income tax effect [Rollforward]      
Stockholders' equity, beginning of period (0.4)    
Other comprehensive income (loss):      
Other comprehensive income (loss) before reclassification adjustments (5.1) 2.2 1.3
Amounts reclassified from accumulated other comprehensive income (loss) 0.0 0.0 0.0
Other comprehensive income (loss) (5.1) 2.2 $ 1.3
Stockholders' equity, end of period $ (5.5) $ (0.4)